13830625 has 10 divisors (see below), whose sum is σ = 17283530. Its totient is φ = 11064000.

The previous prime is 13830623. The next prime is 13830629. The reversal of 13830625 is 52603831.

It can be written as a sum of positive squares in 5 ways, for example, as 1948816 + 11881809 = 1396^2 + 3447^2 .

It is not a de Polignac number, because 13830625 - 2¹ = 13830623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13830593 and 13830602.

It is not an unprimeable number, because it can be changed into a prime (13830623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10440 + ... + 11689.

It is an arithmetic number, because the mean of its divisors is an integer number (1728353).

Almost surely, 2^13830625 is an apocalyptic number.

It is an amenable number.

13830625 is a deficient number, since it is larger than the sum of its proper divisors (3452905).

13830625 is an frugal number, since it uses more digits than its factorization.

13830625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149 (or 22134 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13830625 is about 3718.9548262919. The cubic root of 13830625 is about 240.0383329975.

The spelling of 13830625 in words is "thirteen million, eight hundred thirty thousand, six hundred twenty-five".